Isolation and selection of bacteria against shrimp pathogenic Vibrio parahaemolyticus from shrimp pond water on Duyen Hai district, Tra Vinh province

Tran Vu Phuong (), Dang Thi Ngoc Thanh and Cao Ngoc Diep
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Tran Vu Phuong: Biotechnology R&D Institute, Can Tho University, Vietnam
Dang Thi Ngoc Thanh: Sai Gon University, Vietnam
Cao Ngoc Diep: Biotechnology R&D Institute, Can Tho University, Vietnam

HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY, 2020, vol. 10, issue 1, 43-52

Abstract: Antibiotic has frequently been used in the shrimp-farming process in Vietnam. This leads to the status that antibiotic-resistant bacteria and products do not receive in the market. Bacteria had the resistant ability to pathogenic bacteria in water, and they have an important role in sustainable aquaculture. This study aimed to isolate and select good bacterial strains against Vibrio parahaemolyticus, pathogenic bacteria, on shrimp from 8 samples of shrimp pond water at 3 villages Ngu Lac, Phuoc An and Long Toan of Duyen Hai district, Tra Vinh province on NB agar medium. As a result, fifty-nine bacterial isolates were isolated and 10/59 isolates (16.95%) were identified as resistant to Vibrio parahaemolyticus by the well diffusion method. In 10 isolates, there were 7 isolates had good resistance to select for PCR technique and sequencing. The result indicated that these seven strains, including DH1m, DH2f, DH4d, DH8i, DH8m, DH8n, belonged to Bacilli and DH1n strain belonged to Streptomyces sp.

Keywords: antimicrobial; bacteria; shrimp-pond water; Vibrio parahaemolyticus (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:bjw:techen:v:10:y:2020:i:1:p:43-52

DOI: 10.46223/HCMCOUJS.tech.en.10.1.359.2020

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